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2009 Porsche Boxster S — 3.4L 6-cyl, 6-spd manual, RWD
This 2009 Porsche Boxster S (3.4L 6-cyl, 6-spd manual, RWD) takes premium gasoline. PREMIUM
22
MPG combined (19 city / 26 hwy)
$3,500
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
The EPA lists this trim as premium because that's the fuel the manufacturer specified for its mileage test. Many such engines will run on regular with slightly lower power and MPG — but check your owner's manual to see whether premium is required or just recommended.
Other 2009 Porsche Boxster S trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 3.4L 6-cyl, Automatic 7-spd, RWD | PREMIUM | 23 | $3,350 |
EPA fuel type: Premium · class: Two Seaters · retrieved 2026-06-14.